“I had Justin [Theroux] over my house to dinner last night,” Howard says. “Justin and Jennifer[Aniston] gave us the best gift, really, to be honest here, by treating us to a wonderful vacation in Mexico. They paid for me—well, during the vacation, I paid for some stuff. We hung out, we had great conversation, we had a chef that made dinner for us. I felt like a king!”

He continues, “It was like a quadrangle date. We had Jimmy [Kimmel] and [his wife] Molly there, we had Courteney [Cox] there, we had a lot of people there. It was like a gang bang!”

As for Howard’s secret to staying young?

“Don’t let people put you in a box.”

What does 80-year-old Joan Rivers, who also walked the red carpet at the party, think of getting older?

“I have had a very good time, so I can’t tell you anything negative,” she tells me. “Every decade, I go ‘this has been the best decade.’ I’ve been very lucky.”

Does she think Howard should get plastic surgery?

“I think Howard has had some plastic surgery,” she says with a wry smile. “He looks much better than he did. And he looks great.Better a new face coming out of an old car, than an old face coming out of a new car. Put your money with what goes with you.”